intelfbhw.c revision 3a59026ba111d85b1a86af0f1c4e5a8ef1242d82
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * intelfb 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Linux framebuffer driver for Intel(R) 865G integrated graphics chips. 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright � 2002, 2003 David Dawes <dawes@xfree86.org> 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2004 Sylvain Meyer 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This driver consists of two parts. The first part (intelfbdrv.c) provides 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the basic fbdev interfaces, is derived in part from the radeonfb and 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * vesafb drivers, and is covered by the GPL. The second part (intelfbhw.c) 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * provides the code to program the hardware. Most of it is derived from 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the i810/i830 XFree86 driver. The HW-specific code is covered here 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * under a dual license (GPL and MIT/XFree86 license). 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Author: David Dawes 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* $DHD: intelfb/intelfbhw.c,v 1.9 2003/06/27 15:06:25 dawes Exp $ */ 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/config.h> 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/errno.h> 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/string.h> 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/mm.h> 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/tty.h> 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/slab.h> 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/delay.h> 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/fb.h> 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ioport.h> 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pci.h> 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/vmalloc.h> 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pagemap.h> 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/version.h> 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "intelfb.h" 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "intelfbhw.h" 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_get_chipset(struct pci_dev *pdev, const char **name, int *chipset, 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int *mobile) 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!pdev || !name || !chipset || !mobile) 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (pdev->device) { 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_830M: 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *name = "Intel(R) 830M"; 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *chipset = INTEL_830M; 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *mobile = 1; 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_845G: 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *name = "Intel(R) 845G"; 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *chipset = INTEL_845G; 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *mobile = 0; 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_85XGM: 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = 0; 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *mobile = 1; 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_read_config_dword(pdev, INTEL_85X_CAPID, &tmp); 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch ((tmp >> INTEL_85X_VARIANT_SHIFT) & 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds INTEL_85X_VARIANT_MASK) { 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_VAR_855GME: 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *name = "Intel(R) 855GME"; 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *chipset = INTEL_855GME; 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_VAR_855GM: 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *name = "Intel(R) 855GM"; 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *chipset = INTEL_855GM; 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_VAR_852GME: 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *name = "Intel(R) 852GME"; 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *chipset = INTEL_852GME; 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_VAR_852GM: 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *name = "Intel(R) 852GM"; 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *chipset = INTEL_852GM; 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *name = "Intel(R) 852GM/855GM"; 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *chipset = INTEL_85XGM; 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_865G: 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *name = "Intel(R) 865G"; 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *chipset = INTEL_865G; 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *mobile = 0; 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_915G: 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *name = "Intel(R) 915G"; 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *chipset = INTEL_915G; 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *mobile = 0; 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1023a59026ba111d85b1a86af0f1c4e5a8ef1242d82Scott MacKenzie case PCI_DEVICE_ID_INTEL_915GM: 1033a59026ba111d85b1a86af0f1c4e5a8ef1242d82Scott MacKenzie *name = "Intel(R) 915GM"; 1043a59026ba111d85b1a86af0f1c4e5a8ef1242d82Scott MacKenzie *chipset = INTEL_915GM; 1053a59026ba111d85b1a86af0f1c4e5a8ef1242d82Scott MacKenzie *mobile = 1; 1063a59026ba111d85b1a86af0f1c4e5a8ef1242d82Scott MacKenzie return 0; 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_get_memory(struct pci_dev *pdev, int *aperture_size, 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int *stolen_size) 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pci_dev *bridge_dev; 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 tmp; 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!pdev || !aperture_size || !stolen_size) 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Find the bridge device. It is always 0:0.0 */ 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(bridge_dev = pci_find_slot(0, PCI_DEVFN(0, 0)))) { 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("cannot find bridge device\n"); 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Get the fb aperture size and "stolen" memory amount. */ 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = 0; 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_read_config_word(bridge_dev, INTEL_GMCH_CTRL, &tmp); 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (pdev->device) { 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_830M: 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_845G: 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((tmp & INTEL_GMCH_MEM_MASK) == INTEL_GMCH_MEM_64M) 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *aperture_size = MB(64); 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *aperture_size = MB(128); 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (tmp & INTEL_830_GMCH_GMS_MASK) { 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_STOLEN_512: 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *stolen_size = KB(512) - KB(132); 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_STOLEN_1024: 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *stolen_size = MB(1) - KB(132); 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_STOLEN_8192: 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *stolen_size = MB(8) - KB(132); 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_LOCAL: 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("only local memory found\n"); 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_DISABLED: 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("video memory is disabled\n"); 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("unexpected GMCH_GMS value: 0x%02x\n", 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp & INTEL_830_GMCH_GMS_MASK); 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *aperture_size = MB(128); 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (tmp & INTEL_855_GMCH_GMS_MASK) { 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_1M: 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *stolen_size = MB(1) - KB(132); 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_4M: 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *stolen_size = MB(4) - KB(132); 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_8M: 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *stolen_size = MB(8) - KB(132); 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_16M: 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *stolen_size = MB(16) - KB(132); 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_32M: 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *stolen_size = MB(32) - KB(132); 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_915G_GMCH_GMS_STOLEN_48M: 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *stolen_size = MB(48) - KB(132); 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_915G_GMCH_GMS_STOLEN_64M: 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *stolen_size = MB(64) - KB(132); 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_DISABLED: 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("video memory is disabled\n"); 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("unexpected GMCH_GMS value: 0x%02x\n", 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp & INTEL_855_GMCH_GMS_MASK); 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_check_non_crt(struct intelfb_info *dinfo) 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int dvo = 0; 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INREG(LVDS) & PORT_ENABLE) 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvo |= LVDS_PORT; 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INREG(DVOA) & PORT_ENABLE) 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvo |= DVOA_PORT; 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INREG(DVOB) & PORT_ENABLE) 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvo |= DVOB_PORT; 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INREG(DVOC) & PORT_ENABLE) 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvo |= DVOC_PORT; 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return dvo; 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconst char * 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_dvo_to_string(int dvo) 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dvo & DVOA_PORT) 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return "DVO port A"; 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (dvo & DVOB_PORT) 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return "DVO port B"; 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (dvo & DVOC_PORT) 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return "DVO port C"; 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (dvo & LVDS_PORT) 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return "LVDS port"; 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return NULL; 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_validate_mode(struct intelfb_info *dinfo, 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fb_var_screeninfo *var) 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int bytes_per_pixel; 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int tmp; 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_validate_mode\n"); 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bytes_per_pixel = var->bits_per_pixel / 8; 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bytes_per_pixel == 3) 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bytes_per_pixel = 4; 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check if enough video memory. */ 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = var->yres_virtual * var->xres_virtual * bytes_per_pixel; 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp > dinfo->fb.size) { 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Not enough video ram for mode " 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "(%d KByte vs %d KByte).\n", 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BtoKB(tmp), BtoKB(dinfo->fb.size)); 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check if x/y limits are OK. */ 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (var->xres - 1 > HACTIVE_MASK) { 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("X resolution too large (%d vs %d).\n", 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds var->xres, HACTIVE_MASK + 1); 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (var->yres - 1 > VACTIVE_MASK) { 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Y resolution too large (%d vs %d).\n", 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds var->yres, VACTIVE_MASK + 1); 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check for interlaced/doublescan modes. */ 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (var->vmode & FB_VMODE_INTERLACED) { 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Mode is interlaced.\n"); 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (var->vmode & FB_VMODE_DOUBLE) { 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Mode is double-scan.\n"); 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check if clock is OK. */ 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = 1000000000 / var->pixclock; 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp < MIN_CLOCK) { 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Pixel clock is too low (%d MHz vs %d MHz).\n", 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (tmp + 500) / 1000, MIN_CLOCK / 1000); 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp > MAX_CLOCK) { 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Pixel clock is too high (%d MHz vs %d MHz).\n", 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (tmp + 500) / 1000, MAX_CLOCK / 1000); 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct intelfb_info *dinfo = GET_DINFO(info); 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 offset, xoffset, yoffset; 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_pan_display\n"); 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds xoffset = ROUND_DOWN_TO(var->xoffset, 8); 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds yoffset = var->yoffset; 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((xoffset + var->xres > var->xres_virtual) || 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (yoffset + var->yres > var->yres_virtual)) 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds offset = (yoffset * dinfo->pitch) + 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (xoffset * var->bits_per_pixel) / 8; 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds offset += dinfo->fb.offset << 12; 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPABASE, offset); 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Blank the screen. */ 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_do_blank(int blank, struct fb_info *info) 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct intelfb_info *dinfo = GET_DINFO(info); 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_blank: blank is %d\n", blank); 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Turn plane A on or off */ 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPACNTR); 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (blank) 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~DISPPLANE_PLANE_ENABLE; 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= DISPPLANE_PLANE_ENABLE; 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, tmp); 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Flush */ 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPABASE); 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPABASE, tmp); 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Turn off/on the HW cursor */ 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("cursor_on is %d\n", dinfo->cursor_on); 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->cursor_on) { 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (blank) { 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds intelfbhw_cursor_hide(dinfo); 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds intelfbhw_cursor_show(dinfo); 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->cursor_on = 1; 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->cursor_blanked = blank; 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set DPMS level */ 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(ADPA) & ~ADPA_DPMS_CONTROL_MASK; 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (blank) { 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_UNBLANK: 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_NORMAL: 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D0; 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_VSYNC_SUSPEND: 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D1; 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_HSYNC_SUSPEND: 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D2; 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_POWERDOWN: 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D3; 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(ADPA, tmp); 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_setcolreg(struct intelfb_info *dinfo, unsigned regno, 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned red, unsigned green, unsigned blue, 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned transp) 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_setcolreg: %d: (%d, %d, %d)\n", 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds regno, red, green, blue); 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 palette_reg = (dinfo->pipe == PIPE_A) ? 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PALETTE_A : PALETTE_B; 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(palette_reg + (regno << 2), 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (red << PALETTE_8_RED_SHIFT) | 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (green << PALETTE_8_GREEN_SHIFT) | 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (blue << PALETTE_8_BLUE_SHIFT)); 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_read_hw_state(struct intelfb_info *dinfo, struct intelfb_hwstate *hw, 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int flag) 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_read_hw_state\n"); 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!hw || !dinfo) 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Read in as much of the HW state as possible. */ 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vga0_divisor = INREG(VGA0_DIVISOR); 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vga1_divisor = INREG(VGA1_DIVISOR); 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vga_pd = INREG(VGAPD); 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dpll_a = INREG(DPLL_A); 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dpll_b = INREG(DPLL_B); 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fpa0 = INREG(FPA0); 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fpa1 = INREG(FPA1); 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fpb0 = INREG(FPB0); 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fpb1 = INREG(FPB1); 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 1) 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* This seems to be a problem with the 852GM/855GM */ 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < PALETTE_8_ENTRIES; i++) { 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->palette_a[i] = INREG(PALETTE_A + (i << 2)); 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->palette_b[i] = INREG(PALETTE_B + (i << 2)); 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 2) 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->htotal_a = INREG(HTOTAL_A); 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->hblank_a = INREG(HBLANK_A); 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->hsync_a = INREG(HSYNC_A); 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vtotal_a = INREG(VTOTAL_A); 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vblank_a = INREG(VBLANK_A); 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vsync_a = INREG(VSYNC_A); 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->src_size_a = INREG(SRC_SIZE_A); 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->bclrpat_a = INREG(BCLRPAT_A); 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->htotal_b = INREG(HTOTAL_B); 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->hblank_b = INREG(HBLANK_B); 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->hsync_b = INREG(HSYNC_B); 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vtotal_b = INREG(VTOTAL_B); 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vblank_b = INREG(VBLANK_B); 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vsync_b = INREG(VSYNC_B); 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->src_size_b = INREG(SRC_SIZE_B); 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->bclrpat_b = INREG(BCLRPAT_B); 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 3) 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa = INREG(ADPA); 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoa = INREG(DVOA); 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvob = INREG(DVOB); 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoc = INREG(DVOC); 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoa_srcdim = INREG(DVOA_SRCDIM); 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvob_srcdim = INREG(DVOB_SRCDIM); 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoc_srcdim = INREG(DVOC_SRCDIM); 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->lvds = INREG(LVDS); 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 4) 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->pipe_a_conf = INREG(PIPEACONF); 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->pipe_b_conf = INREG(PIPEBCONF); 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_arb = INREG(DISPARB); 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 5) 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_a_control = INREG(CURSOR_A_CONTROL); 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_b_control = INREG(CURSOR_B_CONTROL); 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_a_base = INREG(CURSOR_A_BASEADDR); 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_b_base = INREG(CURSOR_B_BASEADDR); 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 6) 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 4; i++) { 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_a_palette[i] = INREG(CURSOR_A_PALETTE0 + (i << 2)); 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_b_palette[i] = INREG(CURSOR_B_PALETTE0 + (i << 2)); 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 7) 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_size = INREG(CURSOR_SIZE); 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 8) 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl = INREG(DSPACNTR); 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_b_ctrl = INREG(DSPBCNTR); 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_base = INREG(DSPABASE); 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_b_base = INREG(DSPBBASE); 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_stride = INREG(DSPASTRIDE); 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_b_stride = INREG(DSPBSTRIDE); 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 9) 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vgacntrl = INREG(VGACNTRL); 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 10) 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->add_id = INREG(ADD_ID); 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 11) 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 7; i++) { 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf0x[i] = INREG(SWF00 + (i << 2)); 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf1x[i] = INREG(SWF10 + (i << 2)); 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < 3) 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf3x[i] = INREG(SWF30 + (i << 2)); 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 8; i++) 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fence[i] = INREG(FENCE + (i << 2)); 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->instpm = INREG(INSTPM); 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->mem_mode = INREG(MEM_MODE); 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fw_blc_0 = INREG(FW_BLC_0); 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fw_blc_1 = INREG(FW_BLC_1); 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_print_hw_state(struct intelfb_info *dinfo, struct intelfb_hwstate *hw) 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if REGDUMP 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, m1, m2, n, p1, p2; 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_print_hw_state\n"); 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!hw || !dinfo) 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Read in as much of the HW state as possible. */ 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("hw state dump start\n"); 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA0_DIVISOR: 0x%08x\n", hw->vga0_divisor); 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA1_DIVISOR: 0x%08x\n", hw->vga1_divisor); 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGAPD: 0x%08x\n", hw->vga_pd); 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = (hw->vga0_divisor >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (hw->vga0_divisor >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = (hw->vga0_divisor >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (hw->vga_pd & VGAPD_0_P1_FORCE_DIV2) 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p1 = 0; 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p1 = (hw->vga_pd >> VGAPD_0_P1_SHIFT) & DPLL_P1_MASK; 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p2 = (hw->vga_pd >> VGAPD_0_P2_SHIFT) & DPLL_P2_MASK; 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA0: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1, m2, n, p1, p2); 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA0: clock is %d\n", CALC_VCLOCK(m1, m2, n, p1, p2)); 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = (hw->vga1_divisor >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (hw->vga1_divisor >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = (hw->vga1_divisor >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (hw->vga_pd & VGAPD_1_P1_FORCE_DIV2) 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p1 = 0; 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p1 = (hw->vga_pd >> VGAPD_1_P1_SHIFT) & DPLL_P1_MASK; 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p2 = (hw->vga_pd >> VGAPD_1_P2_SHIFT) & DPLL_P2_MASK; 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA1: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1, m2, n, p1, p2); 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA1: clock is %d\n", CALC_VCLOCK(m1, m2, n, p1, p2)); 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DPLL_A: 0x%08x\n", hw->dpll_a); 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DPLL_B: 0x%08x\n", hw->dpll_b); 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FPA0: 0x%08x\n", hw->fpa0); 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FPA1: 0x%08x\n", hw->fpa1); 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FPB0: 0x%08x\n", hw->fpb0); 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FPB1: 0x%08x\n", hw->fpb1); 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = (hw->fpa0 >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (hw->fpa0 >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = (hw->fpa0 >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (hw->dpll_a & DPLL_P1_FORCE_DIV2) 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p1 = 0; 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p1 = (hw->dpll_a >> DPLL_P1_SHIFT) & DPLL_P1_MASK; 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p2 = (hw->dpll_a >> DPLL_P2_SHIFT) & DPLL_P2_MASK; 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PLLA0: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1, m2, n, p1, p2); 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PLLA0: clock is %d\n", CALC_VCLOCK(m1, m2, n, p1, p2)); 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = (hw->fpa1 >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (hw->fpa1 >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = (hw->fpa1 >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (hw->dpll_a & DPLL_P1_FORCE_DIV2) 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p1 = 0; 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p1 = (hw->dpll_a >> DPLL_P1_SHIFT) & DPLL_P1_MASK; 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p2 = (hw->dpll_a >> DPLL_P2_SHIFT) & DPLL_P2_MASK; 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PLLA1: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1, m2, n, p1, p2); 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PLLA1: clock is %d\n", CALC_VCLOCK(m1, m2, n, p1, p2)); 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PALETTE_A:\n"); 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < PALETTE_8_ENTRIES) 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" %3d: 0x%08x\n", i, hw->palette_a[i]; 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PALETTE_B:\n"); 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < PALETTE_8_ENTRIES) 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" %3d: 0x%08x\n", i, hw->palette_b[i]; 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HTOTAL_A: 0x%08x\n", hw->htotal_a); 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HBLANK_A: 0x%08x\n", hw->hblank_a); 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HSYNC_A: 0x%08x\n", hw->hsync_a); 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VTOTAL_A: 0x%08x\n", hw->vtotal_a); 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VBLANK_A: 0x%08x\n", hw->vblank_a); 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VSYNC_A: 0x%08x\n", hw->vsync_a); 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SRC_SIZE_A: 0x%08x\n", hw->src_size_a); 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" BCLRPAT_A: 0x%08x\n", hw->bclrpat_a); 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HTOTAL_B: 0x%08x\n", hw->htotal_b); 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HBLANK_B: 0x%08x\n", hw->hblank_b); 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HSYNC_B: 0x%08x\n", hw->hsync_b); 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VTOTAL_B: 0x%08x\n", hw->vtotal_b); 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VBLANK_B: 0x%08x\n", hw->vblank_b); 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VSYNC_B: 0x%08x\n", hw->vsync_b); 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SRC_SIZE_B: 0x%08x\n", hw->src_size_b); 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" BCLRPAT_B: 0x%08x\n", hw->bclrpat_b); 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" ADPA: 0x%08x\n", hw->adpa); 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOA: 0x%08x\n", hw->dvoa); 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOB: 0x%08x\n", hw->dvob); 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOC: 0x%08x\n", hw->dvoc); 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOA_SRCDIM: 0x%08x\n", hw->dvoa_srcdim); 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOB_SRCDIM: 0x%08x\n", hw->dvob_srcdim); 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOC_SRCDIM: 0x%08x\n", hw->dvoc_srcdim); 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" LVDS: 0x%08x\n", hw->lvds); 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PIPEACONF: 0x%08x\n", hw->pipe_a_conf); 6391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PIPEBCONF: 0x%08x\n", hw->pipe_b_conf); 6401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DISPARB: 0x%08x\n", hw->disp_arb); 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_A_CONTROL: 0x%08x\n", hw->cursor_a_control); 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_B_CONTROL: 0x%08x\n", hw->cursor_b_control); 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_A_BASEADDR: 0x%08x\n", hw->cursor_a_base); 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_B_BASEADDR: 0x%08x\n", hw->cursor_b_base); 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_A_PALETTE: "); 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 4; i++) { 6491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("0x%08x", hw->cursor_a_palette[i]); 6501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < 3) 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(", "); 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("\n"); 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_B_PALETTE: "); 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 4; i++) { 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("0x%08x", hw->cursor_b_palette[i]); 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < 3) 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(", "); 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("\n"); 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_SIZE: 0x%08x\n", hw->cursor_size); 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPACNTR: 0x%08x\n", hw->disp_a_ctrl); 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPBCNTR: 0x%08x\n", hw->disp_b_ctrl); 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPABASE: 0x%08x\n", hw->disp_a_base); 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPBBASE: 0x%08x\n", hw->disp_b_base); 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPASTRIDE: 0x%08x\n", hw->disp_a_stride); 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPBSTRIDE: 0x%08x\n", hw->disp_b_stride); 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGACNTRL: 0x%08x\n", hw->vgacntrl); 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" ADD_ID: 0x%08x\n", hw->add_id); 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 7; i++) { 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SWF0%d 0x%08x\n", i, 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf0x[i]); 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 7; i++) { 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SWF1%d 0x%08x\n", i, 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf1x[i]); 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 3; i++) { 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SWF3%d 0x%08x\n", i, 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf3x[i]); 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 8; i++) 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FENCE%d 0x%08x\n", i, 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fence[i]); 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" INSTPM 0x%08x\n", hw->instpm); 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" MEM_MODE 0x%08x\n", hw->mem_mode); 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FW_BLC_0 0x%08x\n", hw->fw_blc_0); 6931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FW_BLC_1 0x%08x\n", hw->fw_blc_1); 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("hw state dump end\n"); 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Split the M parameter into M1 and M2. */ 7001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 7011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssplitm(unsigned int m, unsigned int *retm1, unsigned int *retm2) 7021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int m1, m2; 7041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (m - 2 - (MIN_M2 + MAX_M2) / 2) / 5 - 2; 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (m1 < MIN_M1) 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = MIN_M1; 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (m1 > MAX_M1) 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = MAX_M1; 7101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = m - 5 * (m1 + 2) - 2; 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (m2 < MIN_M2 || m2 > MAX_M2 || m2 >= m1) { 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retm1 = (unsigned int)m1; 7151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retm2 = (unsigned int)m2; 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Split the P parameter into P1 and P2. */ 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssplitp(unsigned int p, unsigned int *retp1, unsigned int *retp2) 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int p1, p2; 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (p % 4 == 0) 7271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p2 = 1; 7281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p2 = 0; 7301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p1 = (p / (1 << (p2 + 1))) - 2; 7311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (p % 4 == 0 && p1 < MIN_P1) { 7321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p2 = 0; 7331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p1 = (p / (1 << (p2 + 1))) - 2; 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (p1 < MIN_P1 || p1 > MAX_P1 || (p1 + 2) * (1 << (p2 + 1)) != p) { 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retp1 = (unsigned int)p1; 7391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retp2 = (unsigned int)p2; 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 7411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldscalc_pll_params(int clock, u32 *retm1, u32 *retm2, u32 *retn, u32 *retp1, 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *retp2, u32 *retclock) 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 m1, m2, n, p1, p2, n1; 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 f_vco, p, p_best = 0, m, f_out; 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 err_max, err_target, err_best = 10000000; 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 n_best = 0, m_best = 0, f_best, f_err; 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 p_min, p_max, p_inc, div_min, div_max; 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Accept 0.5% difference, but aim for 0.1% */ 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err_max = 5 * clock / 1000; 7561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err_target = clock / 1000; 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("Clock is %d\n", clock); 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds div_max = MAX_VCO_FREQ / clock; 7611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds div_min = ROUND_UP_TO(MIN_VCO_FREQ, clock) / clock; 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clock <= P_TRANSITION_CLOCK) 7641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p_inc = 4; 7651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 7661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p_inc = 2; 7671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p_min = ROUND_UP_TO(div_min, p_inc); 7681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p_max = ROUND_DOWN_TO(div_max, p_inc); 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (p_min < MIN_P) 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p_min = 4; 7711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (p_max > MAX_P) 7721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p_max = 128; 7731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("p range is %d-%d (%d)\n", p_min, p_max, p_inc); 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = p_min; 7771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 7781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (splitp(p, &p1, &p2)) { 7791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("cannot split p = %d\n", p); 7801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p += p_inc; 7811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 7821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = MIN_N; 7841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds f_vco = clock * p; 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 7871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m = ROUND_UP_TO(f_vco * n, PLL_REFCLK) / PLL_REFCLK; 7881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (m < MIN_M) 7891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m = MIN_M; 7901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (m > MAX_M) 7911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m = MAX_M; 7921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds f_out = CALC_VCLOCK3(m, n, p); 7931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (splitm(m, &m1, &m2)) { 7941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("cannot split m = %d\n", m); 7951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n++; 7961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 7971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (clock > f_out) 7991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds f_err = clock - f_out; 8001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 8011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds f_err = f_out - clock; 8021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (f_err < err_best) { 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m_best = m; 8051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n_best = n; 8061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p_best = p; 8071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds f_best = f_out; 8081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err_best = f_err; 8091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n++; 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } while ((n <= MAX_N) && (f_out >= clock)); 8121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p += p_inc; 8131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } while ((p <= p_max)); 8141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!m_best) { 8161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("cannot find parameters for clock %d\n", clock); 8171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m = m_best; 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = n_best; 8211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = p_best; 8221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds splitm(m, &m1, &m2); 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds splitp(p, &p1, &p2); 8241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n1 = n - 2; 8251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("m, n, p: %d (%d,%d), %d (%d), %d (%d,%d), " 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "f: %d (%d), VCO: %d\n", 8281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m, m1, m2, n, n1, p, p1, p2, 8291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CALC_VCLOCK3(m, n, p), CALC_VCLOCK(m1, m2, n1, p1, p2), 8301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CALC_VCLOCK3(m, n, p) * p); 8311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retm1 = m1; 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retm2 = m2; 8331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retn = n1; 8341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retp1 = p1; 8351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retp2 = p2; 8361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retclock = CALC_VCLOCK(m1, m2, n1, p1, p2); 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic __inline__ int 8421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldscheck_overflow(u32 value, u32 limit, const char *description) 8431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (value > limit) { 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("%s value %d exceeds limit %d\n", 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds description, value, limit); 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 8501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* It is assumed that hw is filled in with the initial state information. */ 8531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 8541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_mode_to_hw(struct intelfb_info *dinfo, struct intelfb_hwstate *hw, 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fb_var_screeninfo *var) 8561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int pipe = PIPE_A; 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *dpll, *fp0, *fp1; 8591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 m1, m2, n, p1, p2, clock_target, clock; 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 hsync_start, hsync_end, hblank_start, hblank_end, htotal, hactive; 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 vsync_start, vsync_end, vblank_start, vblank_end, vtotal, vactive; 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 vsync_pol, hsync_pol; 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *vs, *vb, *vt, *hs, *hb, *ht, *ss, *pipe_conf; 8641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_mode_to_hw\n"); 8661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable VGA */ 8681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vgacntrl |= VGA_DISABLE; 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check whether pipe A or pipe B is enabled. */ 8711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (hw->pipe_a_conf & PIPECONF_ENABLE) 8721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe = PIPE_A; 8731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (hw->pipe_b_conf & PIPECONF_ENABLE) 8741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe = PIPE_B; 8751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set which pipe's registers will be set. */ 8771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (pipe == PIPE_B) { 8781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll = &hw->dpll_b; 8791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0 = &hw->fpb0; 8801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1 = &hw->fpb1; 8811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hs = &hw->hsync_b; 8821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hb = &hw->hblank_b; 8831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ht = &hw->htotal_b; 8841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vs = &hw->vsync_b; 8851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vb = &hw->vblank_b; 8861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vt = &hw->vtotal_b; 8871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ss = &hw->src_size_b; 8881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf = &hw->pipe_b_conf; 8891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 8901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll = &hw->dpll_a; 8911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0 = &hw->fpa0; 8921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1 = &hw->fpa1; 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hs = &hw->hsync_a; 8941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hb = &hw->hblank_a; 8951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ht = &hw->htotal_a; 8961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vs = &hw->vsync_a; 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vb = &hw->vblank_a; 8981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vt = &hw->vtotal_a; 8991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ss = &hw->src_size_a; 9001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf = &hw->pipe_a_conf; 9011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Use ADPA register for sync control. */ 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa &= ~ADPA_USE_VGA_HVPOLARITY; 9051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* sync polarity */ 9071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_pol = (var->sync & FB_SYNC_HOR_HIGH_ACT) ? 9081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADPA_SYNC_ACTIVE_HIGH : ADPA_SYNC_ACTIVE_LOW; 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_pol = (var->sync & FB_SYNC_VERT_HIGH_ACT) ? 9101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADPA_SYNC_ACTIVE_HIGH : ADPA_SYNC_ACTIVE_LOW; 9111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa &= ~((ADPA_SYNC_ACTIVE_MASK << ADPA_VSYNC_ACTIVE_SHIFT) | 9121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (ADPA_SYNC_ACTIVE_MASK << ADPA_HSYNC_ACTIVE_SHIFT)); 9131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa |= (hsync_pol << ADPA_HSYNC_ACTIVE_SHIFT) | 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (vsync_pol << ADPA_VSYNC_ACTIVE_SHIFT); 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Connect correct pipe to the analog port DAC */ 9171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa &= ~(PIPE_MASK << ADPA_PIPE_SELECT_SHIFT); 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa |= (pipe << ADPA_PIPE_SELECT_SHIFT); 9191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set DPMS state to D0 (on) */ 9211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa &= ~ADPA_DPMS_CONTROL_MASK; 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa |= ADPA_DPMS_D0; 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa |= ADPA_DAC_ENABLE; 9251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll |= (DPLL_VCO_ENABLE | DPLL_VGA_MODE_DISABLE); 9271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll &= ~(DPLL_RATE_SELECT_MASK | DPLL_REFERENCE_SELECT_MASK); 9281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll |= (DPLL_REFERENCE_DEFAULT | DPLL_RATE_SELECT_FP0); 9291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Desired clock in kHz */ 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_target = 1000000000 / var->pixclock; 9321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (calc_pll_params(clock_target, &m1, &m2, &n, &p1, &p2, &clock)) { 9341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("calc_pll_params failed\n"); 9351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 9361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check for overflow. */ 9391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(p1, DPLL_P1_MASK, "PLL P1 parameter")) 9401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 9411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(p2, DPLL_P2_MASK, "PLL P2 parameter")) 9421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 9431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(m1, FP_DIVISOR_MASK, "PLL M1 parameter")) 9441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 9451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(m2, FP_DIVISOR_MASK, "PLL M2 parameter")) 9461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 9471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(n, FP_DIVISOR_MASK, "PLL N parameter")) 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 9491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll &= ~DPLL_P1_FORCE_DIV2; 9511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll &= ~((DPLL_P2_MASK << DPLL_P2_SHIFT) | 9521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (DPLL_P1_MASK << DPLL_P1_SHIFT)); 9531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll |= (p2 << DPLL_P2_SHIFT) | (p1 << DPLL_P1_SHIFT); 9541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *fp0 = (n << FP_N_DIVISOR_SHIFT) | 9551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (m1 << FP_M1_DIVISOR_SHIFT) | 9561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (m2 << FP_M2_DIVISOR_SHIFT); 9571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *fp1 = *fp0; 9581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvob &= ~PORT_ENABLE; 9601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoc &= ~PORT_ENABLE; 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Use display plane A. */ 9631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_PLANE_ENABLE; 9641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl &= ~DISPPLANE_GAMMA_ENABLE; 9651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl &= ~DISPPLANE_PIXFORMAT_MASK; 9661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (intelfb_var_to_depth(var)) { 9671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_8BPP | DISPPLANE_GAMMA_ENABLE; 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 15: 9711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_15_16BPP; 9721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: 9741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_16BPP; 9751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 24: 9771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_32BPP_NO_ALPHA; 9781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl &= ~(PIPE_MASK << DISPPLANE_SEL_PIPE_SHIFT); 9811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= (pipe << DISPPLANE_SEL_PIPE_SHIFT); 9821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set CRTC registers. */ 9841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hactive = var->xres; 9851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_start = hactive + var->right_margin; 9861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_end = hsync_start + var->hsync_len; 9871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds htotal = hsync_end + var->left_margin; 9881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_start = hactive; 9891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_end = htotal; 9901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("H: act %d, ss %d, se %d, tot %d bs %d, be %d\n", 9921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hactive, hsync_start, hsync_end, htotal, hblank_start, 9931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_end); 9941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vactive = var->yres; 9961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_start = vactive + var->lower_margin; 9971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_end = vsync_start + var->vsync_len; 9981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vtotal = vsync_end + var->upper_margin; 9991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_start = vactive; 10001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_end = vtotal; 10011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_end = vsync_end + 1; 10021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("V: act %d, ss %d, se %d, tot %d bs %d, be %d\n", 10041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vactive, vsync_start, vsync_end, vtotal, vblank_start, 10051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_end); 10061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Adjust for register values, and check for overflow. */ 10081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hactive--; 10091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hactive, HACTIVE_MASK, "CRTC hactive")) 10101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_start--; 10121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hsync_start, HSYNCSTART_MASK, "CRTC hsync_start")) 10131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_end--; 10151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hsync_end, HSYNCEND_MASK, "CRTC hsync_end")) 10161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds htotal--; 10181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(htotal, HTOTAL_MASK, "CRTC htotal")) 10191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_start--; 10211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hblank_start, HBLANKSTART_MASK, "CRTC hblank_start")) 10221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_end--; 10241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hblank_end, HBLANKEND_MASK, "CRTC hblank_end")) 10251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vactive--; 10281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vactive, VACTIVE_MASK, "CRTC vactive")) 10291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_start--; 10311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vsync_start, VSYNCSTART_MASK, "CRTC vsync_start")) 10321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_end--; 10341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vsync_end, VSYNCEND_MASK, "CRTC vsync_end")) 10351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vtotal--; 10371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vtotal, VTOTAL_MASK, "CRTC vtotal")) 10381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_start--; 10401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vblank_start, VBLANKSTART_MASK, "CRTC vblank_start")) 10411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_end--; 10431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vblank_end, VBLANKEND_MASK, "CRTC vblank_end")) 10441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *ht = (htotal << HTOTAL_SHIFT) | (hactive << HACTIVE_SHIFT); 10471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *hb = (hblank_start << HBLANKSTART_SHIFT) | 10481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (hblank_end << HSYNCEND_SHIFT); 10491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *hs = (hsync_start << HSYNCSTART_SHIFT) | (hsync_end << HSYNCEND_SHIFT); 10501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *vt = (vtotal << VTOTAL_SHIFT) | (vactive << VACTIVE_SHIFT); 10521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *vb = (vblank_start << VBLANKSTART_SHIFT) | 10531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (vblank_end << VSYNCEND_SHIFT); 10541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *vs = (vsync_start << VSYNCSTART_SHIFT) | (vsync_end << VSYNCEND_SHIFT); 10551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *ss = (hactive << SRC_SIZE_HORIZ_SHIFT) | 10561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (vactive << SRC_SIZE_VERT_SHIFT); 10571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_stride = var->xres_virtual * var->bits_per_pixel / 8; 10591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("pitch is %d\n", hw->disp_a_stride); 10601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_base = hw->disp_a_stride * var->yoffset + 10621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds var->xoffset * var->bits_per_pixel / 8; 10631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_base += dinfo->fb.offset << 12; 10651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check stride alignment. */ 10671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (hw->disp_a_stride % STRIDE_ALIGNMENT != 0) { 10681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("display stride %d has bad alignment %d\n", 10691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_stride, STRIDE_ALIGNMENT); 10701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set the palette to 8-bit mode. */ 10741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *pipe_conf &= ~PIPECONF_GAMMA; 10751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 10761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Program a (non-VGA) video mode. */ 10791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 10801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_program_mode(struct intelfb_info *dinfo, 10811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const struct intelfb_hwstate *hw, int blank) 10821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int pipe = PIPE_A; 10841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 10851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const u32 *dpll, *fp0, *fp1, *pipe_conf; 10861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const u32 *hs, *ht, *hb, *vs, *vt, *vb, *ss; 10871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 dpll_reg, fp0_reg, fp1_reg, pipe_conf_reg; 10881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 hsync_reg, htotal_reg, hblank_reg; 10891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 vsync_reg, vtotal_reg, vblank_reg; 10901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 src_size_reg; 10911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Assume single pipe, display plane A, analog CRT. */ 10931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 10951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_program_mode\n"); 10961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 10971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable VGA */ 10991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(VGACNTRL); 11001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= VGA_DISABLE; 11011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(VGACNTRL, tmp); 11021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check whether pipe A or pipe B is enabled. */ 11041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (hw->pipe_a_conf & PIPECONF_ENABLE) 11051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe = PIPE_A; 11061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (hw->pipe_b_conf & PIPECONF_ENABLE) 11071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe = PIPE_B; 11081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->pipe = pipe; 11101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (pipe == PIPE_B) { 11121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll = &hw->dpll_b; 11131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0 = &hw->fpb0; 11141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1 = &hw->fpb1; 11151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf = &hw->pipe_b_conf; 11161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hs = &hw->hsync_b; 11171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hb = &hw->hblank_b; 11181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ht = &hw->htotal_b; 11191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vs = &hw->vsync_b; 11201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vb = &hw->vblank_b; 11211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vt = &hw->vtotal_b; 11221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ss = &hw->src_size_b; 11231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll_reg = DPLL_B; 11241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0_reg = FPB0; 11251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1_reg = FPB1; 11261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf_reg = PIPEBCONF; 11271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_reg = HSYNC_B; 11281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds htotal_reg = HTOTAL_B; 11291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_reg = HBLANK_B; 11301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_reg = VSYNC_B; 11311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vtotal_reg = VTOTAL_B; 11321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_reg = VBLANK_B; 11331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds src_size_reg = SRC_SIZE_B; 11341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 11351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll = &hw->dpll_a; 11361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0 = &hw->fpa0; 11371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1 = &hw->fpa1; 11381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf = &hw->pipe_a_conf; 11391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hs = &hw->hsync_a; 11401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hb = &hw->hblank_a; 11411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ht = &hw->htotal_a; 11421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vs = &hw->vsync_a; 11431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vb = &hw->vblank_a; 11441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vt = &hw->vtotal_a; 11451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ss = &hw->src_size_a; 11461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll_reg = DPLL_A; 11471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0_reg = FPA0; 11481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1_reg = FPA1; 11491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf_reg = PIPEACONF; 11501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_reg = HSYNC_A; 11511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds htotal_reg = HTOTAL_A; 11521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_reg = HBLANK_A; 11531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_reg = VSYNC_A; 11541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vtotal_reg = VTOTAL_A; 11551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_reg = VBLANK_A; 11561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds src_size_reg = SRC_SIZE_A; 11571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable planes A and B. */ 11601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPACNTR); 11611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~DISPPLANE_PLANE_ENABLE; 11621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, tmp); 11631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPBCNTR); 11641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~DISPPLANE_PLANE_ENABLE; 11651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPBCNTR, tmp); 11661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Wait for vblank. For now, just wait for a 50Hz cycle (20ms)) */ 11681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(20); 11691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable Sync */ 11711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(ADPA); 11721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~ADPA_DPMS_CONTROL_MASK; 11731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D3; 11741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(ADPA, tmp); 11751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* turn off pipe */ 11771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(pipe_conf_reg); 11781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~PIPECONF_ENABLE; 11791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(pipe_conf_reg, tmp); 11801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* turn off PLL */ 11821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(dpll_reg); 11831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll_reg &= ~DPLL_VCO_ENABLE; 11841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(dpll_reg, tmp); 11851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set PLL parameters */ 11871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(dpll_reg, *dpll & ~DPLL_VCO_ENABLE); 11881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(fp0_reg, *fp0); 11891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(fp1_reg, *fp1); 11901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set pipe parameters */ 11921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(hsync_reg, *hs); 11931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(hblank_reg, *hb); 11941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(htotal_reg, *ht); 11951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(vsync_reg, *vs); 11961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(vblank_reg, *vb); 11971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(vtotal_reg, *vt); 11981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(src_size_reg, *ss); 11991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set DVOs B/C */ 12011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DVOB, hw->dvob); 12021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DVOC, hw->dvoc); 12031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set ADPA */ 12051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(ADPA, (hw->adpa & ~(ADPA_DPMS_CONTROL_MASK)) | ADPA_DPMS_D3); 12061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Enable PLL */ 12081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(dpll_reg); 12091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= DPLL_VCO_ENABLE; 12101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(dpll_reg, tmp); 12111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Enable pipe */ 12131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(pipe_conf_reg, *pipe_conf | PIPECONF_ENABLE); 12141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Enable sync */ 12161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(ADPA); 12171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~ADPA_DPMS_CONTROL_MASK; 12181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D0; 12191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(ADPA, tmp); 12201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* setup display plane */ 12221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->pdev->device == PCI_DEVICE_ID_INTEL_830M) { 12231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 12241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * i830M errata: the display plane must be enabled 12251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to allow writes to the other bits in the plane 12261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * control register. 12271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 12281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPACNTR); 12291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((tmp & DISPPLANE_PLANE_ENABLE) != DISPPLANE_PLANE_ENABLE) { 12301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= DISPPLANE_PLANE_ENABLE; 12311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, tmp); 12321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, 12331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl|DISPPLANE_PLANE_ENABLE); 12341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(1); 12351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 12361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 12371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, hw->disp_a_ctrl & ~DISPPLANE_PLANE_ENABLE); 12391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPASTRIDE, hw->disp_a_stride); 12401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPABASE, hw->disp_a_base); 12411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Enable plane */ 12431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!blank) { 12441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPACNTR); 12451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= DISPPLANE_PLANE_ENABLE; 12461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, tmp); 12471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPABASE, hw->disp_a_base); 12481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 12491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 12511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* forward declarations */ 12541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void refresh_ring(struct intelfb_info *dinfo); 12551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void reset_state(struct intelfb_info *dinfo); 12561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void do_flush(struct intelfb_info *dinfo); 12571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 12591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldswait_ring(struct intelfb_info *dinfo, int n) 12601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 12611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i = 0; 12621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long end; 12631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 last_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK; 12641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 12661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("wait_ring: %d\n", n); 12671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 12681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds end = jiffies + (HZ * 3); 12701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (dinfo->ring_space < n) { 12711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_head = (u8 __iomem *)(INREG(PRI_RING_HEAD) & 12721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RING_HEAD_MASK); 12731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->ring_tail + RING_MIN_FREE < 12741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (u32 __iomem) dinfo->ring_head) 12751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_space = (u32 __iomem) dinfo->ring_head 12761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds - (dinfo->ring_tail + RING_MIN_FREE); 12771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 12781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_space = (dinfo->ring.size + 12791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (u32 __iomem) dinfo->ring_head) 12801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds - (dinfo->ring_tail + RING_MIN_FREE); 12811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((u32 __iomem) dinfo->ring_head != last_head) { 12821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds end = jiffies + (HZ * 3); 12831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds last_head = (u32 __iomem) dinfo->ring_head; 12841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 12851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i++; 12861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (time_before(end, jiffies)) { 12871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!i) { 12881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Try again */ 12891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reset_state(dinfo); 12901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds refresh_ring(dinfo); 12911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do_flush(dinfo); 12921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds end = jiffies + (HZ * 3); 12931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = 1; 12941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 12951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("ring buffer : space: %d wanted %d\n", 12961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_space, n); 12971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("lockup - turning off hardware " 12981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "acceleration\n"); 12991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_lockup = 1; 13001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 13011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 13021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 13031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(1); 13041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 13051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return i; 13061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 13071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void 13091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsdo_flush(struct intelfb_info *dinfo) { 13101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds START_RING(2); 13111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_FLUSH | MI_WRITE_DIRTY_STATE | MI_INVALIDATE_MAP_CACHE); 13121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_NOOP); 13131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_RING(); 13141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 13151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 13171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_do_sync(struct intelfb_info *dinfo) 13181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 13191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 13201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_sync\n"); 13211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 13221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->accel) 13241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 13251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 13271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Send a flush, then wait until the ring is empty. This is what 13281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the XFree86 driver does, and actually it doesn't seem a lot worse 13291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * than the recommended method (both have problems). 13301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 13311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do_flush(dinfo); 13321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_ring(dinfo, dinfo->ring.size - RING_MIN_FREE); 13331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_space = dinfo->ring.size - RING_MIN_FREE; 13341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 13351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void 13371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsrefresh_ring(struct intelfb_info *dinfo) 13381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 13391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 13401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("refresh_ring\n"); 13411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 13421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_head = (u8 __iomem *) (INREG(PRI_RING_HEAD) & 13441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RING_HEAD_MASK); 13451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_tail = INREG(PRI_RING_TAIL) & RING_TAIL_MASK; 13461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->ring_tail + RING_MIN_FREE < (u32 __iomem)dinfo->ring_head) 13471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_space = (u32 __iomem) dinfo->ring_head 13481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds - (dinfo->ring_tail + RING_MIN_FREE); 13491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 13501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_space = (dinfo->ring.size + 13511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (u32 __iomem) dinfo->ring_head) 13521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds - (dinfo->ring_tail + RING_MIN_FREE); 13531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 13541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void 13561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsreset_state(struct intelfb_info *dinfo) 13571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 13581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 13591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 13601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 13621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("reset_state\n"); 13631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 13641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < FENCE_NUM; i++) 13661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(FENCE + (i << 2), 0); 13671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Flush the ring buffer if it's enabled. */ 13691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(PRI_RING_LENGTH); 13701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp & RING_ENABLE) { 13711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 13721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("reset_state: ring was enabled\n"); 13731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 13741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds refresh_ring(dinfo); 13751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds intelfbhw_do_sync(dinfo); 13761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DO_RING_IDLE(); 13771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 13781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_LENGTH, 0); 13801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_HEAD, 0); 13811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_TAIL, 0); 13821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_START, 0); 13831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 13841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Stop the 2D engine, and turn off the ring buffer. */ 13861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 13871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_2d_stop(struct intelfb_info *dinfo) 13881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 13891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 13901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_2d_stop: accel: %d, ring_active: %d\n", dinfo->accel, 13911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_active); 13921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 13931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->accel) 13951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 13961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_active = 0; 13981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reset_state(dinfo); 13991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 14001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 14021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Enable the ring buffer, and initialise the 2D engine. 14031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * It is assumed that the graphics engine has been stopped by previously 14041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * calling intelfb_2d_stop(). 14051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 14061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 14071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_2d_start(struct intelfb_info *dinfo) 14081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 14091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 14101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_2d_start: accel: %d, ring_active: %d\n", 14111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->accel, dinfo->ring_active); 14121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 14131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->accel) 14151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 14161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Initialise the primary ring buffer. */ 14181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_LENGTH, 0); 14191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_TAIL, 0); 14201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_HEAD, 0); 14211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_START, dinfo->ring.physical & RING_START_MASK); 14231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_LENGTH, 14241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((dinfo->ring.size - GTT_PAGE_SIZE) & RING_LENGTH_MASK) | 14251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RING_NO_REPORT | RING_ENABLE); 14261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds refresh_ring(dinfo); 14271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_active = 1; 14281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 14291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2D fillrect (solid fill or invert) */ 14311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 14321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_do_fillrect(struct intelfb_info *dinfo, u32 x, u32 y, u32 w, u32 h, 14331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 color, u32 pitch, u32 bpp, u32 rop) 14341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 14351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 br00, br09, br13, br14, br16; 14361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 14381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_fillrect: (%d,%d) %dx%d, c 0x%06x, p %d bpp %d, " 14391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "rop 0x%02x\n", x, y, w, h, color, pitch, bpp, rop); 14401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 14411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 = COLOR_BLT_CMD; 14431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br09 = dinfo->fb_start + (y * pitch + x * (bpp / 8)); 14441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 = (rop << ROP_SHIFT) | pitch; 14451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br14 = (h << HEIGHT_SHIFT) | ((w * (bpp / 8)) << WIDTH_SHIFT); 14461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br16 = color; 14471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (bpp) { 14491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: 14501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_8; 14511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 14521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: 14531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_16; 14541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 14551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 32: 14561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_32; 14571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 |= WRITE_ALPHA | WRITE_RGB; 14581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 14591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds START_RING(6); 14621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br00); 14631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br13); 14641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br14); 14651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br09); 14661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br16); 14671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_NOOP); 14681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_RING(); 14691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 14711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("ring = 0x%08x, 0x%08x (%d)\n", dinfo->ring_head, 14721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_tail, dinfo->ring_space); 14731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 14741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 14751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 14771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_do_bitblt(struct intelfb_info *dinfo, u32 curx, u32 cury, 14781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 dstx, u32 dsty, u32 w, u32 h, u32 pitch, u32 bpp) 14791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 14801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 br00, br09, br11, br12, br13, br22, br23, br26; 14811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 14831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_bitblt: (%d,%d)->(%d,%d) %dx%d, p %d bpp %d\n", 14841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds curx, cury, dstx, dsty, w, h, pitch, bpp); 14851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 14861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 = XY_SRC_COPY_BLT_CMD; 14881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br09 = dinfo->fb_start; 14891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br11 = (pitch << PITCH_SHIFT); 14901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br12 = dinfo->fb_start; 14911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 = (SRC_ROP_GXCOPY << ROP_SHIFT) | (pitch << PITCH_SHIFT); 14921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br22 = (dstx << WIDTH_SHIFT) | (dsty << HEIGHT_SHIFT); 14931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br23 = ((dstx + w) << WIDTH_SHIFT) | 14941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((dsty + h) << HEIGHT_SHIFT); 14951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br26 = (curx << WIDTH_SHIFT) | (cury << HEIGHT_SHIFT); 14961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (bpp) { 14981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: 14991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_8; 15001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 15011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: 15021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_16; 15031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 15041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 32: 15051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_32; 15061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 |= WRITE_ALPHA | WRITE_RGB; 15071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 15081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds START_RING(8); 15111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br00); 15121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br13); 15131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br22); 15141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br23); 15151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br09); 15161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br26); 15171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br11); 15181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br12); 15191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_RING(); 15201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 15231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_do_drawglyph(struct intelfb_info *dinfo, u32 fg, u32 bg, u32 w, 15241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 h, const u8* cdat, u32 x, u32 y, u32 pitch, u32 bpp) 15251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int nbytes, ndwords, pad, tmp; 15271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 br00, br09, br13, br18, br19, br22, br23; 15281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int dat, ix, iy, iw; 15291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j; 15301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 15321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_drawglyph: (%d,%d) %dx%d\n", x, y, w, h); 15331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* size in bytes of a padded scanline */ 15361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds nbytes = ROUND_UP_TO(w, 16) / 8; 15371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Total bytes of padded scanline data to write out. */ 15391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds nbytes = nbytes * h; 15401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 15421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Check if the glyph data exceeds the immediate mode limit. 15431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * It would take a large font (1K pixels) to hit this limit. 15441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 15451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (nbytes > MAX_MONO_IMM_SIZE) 15461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 15471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Src data is packaged a dword (32-bit) at a time. */ 15491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ndwords = ROUND_UP_TO(nbytes, 4) / 4; 15501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 15521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Ring has to be padded to a quad word. But because the command starts 15531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds with 7 bytes, pad only if there is an even number of ndwords 15541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 15551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pad = !(ndwords % 2); 15561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = (XY_MONO_SRC_IMM_BLT_CMD & DW_LENGTH_MASK) + ndwords; 15581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 = (XY_MONO_SRC_IMM_BLT_CMD & ~DW_LENGTH_MASK) | tmp; 15591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br09 = dinfo->fb_start; 15601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 = (SRC_ROP_GXCOPY << ROP_SHIFT) | (pitch << PITCH_SHIFT); 15611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br18 = bg; 15621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br19 = fg; 15631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br22 = (x << WIDTH_SHIFT) | (y << HEIGHT_SHIFT); 15641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br23 = ((x + w) << WIDTH_SHIFT) | ((y + h) << HEIGHT_SHIFT); 15651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (bpp) { 15671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: 15681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_8; 15691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 15701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: 15711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_16; 15721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 15731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 32: 15741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_32; 15751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 |= WRITE_ALPHA | WRITE_RGB; 15761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 15771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds START_RING(8 + ndwords); 15801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br00); 15811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br13); 15821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br22); 15831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br23); 15841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br09); 15851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br18); 15861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br19); 15871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ix = iy = 0; 15881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iw = ROUND_UP_TO(w, 8) / 8; 15891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (ndwords--) { 15901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dat = 0; 15911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < 2; ++j) { 15921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; ++i) { 15931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ix != iw || i == 0) 15941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dat |= cdat[iy*iw + ix++] << (i+j*2)*8; 15951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ix == iw && iy != (h-1)) { 15971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ix = 0; 15981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ++iy; 15991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(dat); 16021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (pad) 16041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_NOOP); 16051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_RING(); 16061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 16081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 16091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* HW cursor functions. */ 16111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 16121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_cursor_init(struct intelfb_info *dinfo) 16131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 16141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 16151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 16171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_init\n"); 16181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 16191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->mobile) { 16211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.physical) 16221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 16231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_A_CONTROL); 16241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~(CURSOR_MODE_MASK | CURSOR_MOBILE_GAMMA_ENABLE | 16251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CURSOR_MEM_TYPE_LOCAL | 16261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (1 << CURSOR_PIPE_SELECT_SHIFT)); 16271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= CURSOR_MODE_DISABLE; 16281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_CONTROL, tmp); 16291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical); 16301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 16311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_CONTROL); 16321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~(CURSOR_FORMAT_MASK | CURSOR_GAMMA_ENABLE | 16331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CURSOR_ENABLE | CURSOR_STRIDE_MASK); 16341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = CURSOR_FORMAT_3C; 16351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_CONTROL, tmp); 16361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.offset << 12); 16371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = (64 << CURSOR_SIZE_H_SHIFT) | 16381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (64 << CURSOR_SIZE_V_SHIFT); 16391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_SIZE, tmp); 16401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 16421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 16441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_cursor_hide(struct intelfb_info *dinfo) 16451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 16461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 16471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 16491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_hide\n"); 16501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 16511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->cursor_on = 0; 16531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->mobile) { 16541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.physical) 16551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 16561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_A_CONTROL); 16571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~CURSOR_MODE_MASK; 16581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= CURSOR_MODE_DISABLE; 16591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_CONTROL, tmp); 16601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Flush changes */ 16611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical); 16621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 16631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_CONTROL); 16641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~CURSOR_ENABLE; 16651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_CONTROL, tmp); 16661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 16681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 16701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_cursor_show(struct intelfb_info *dinfo) 16711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 16721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 16731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 16751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_show\n"); 16761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 16771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->cursor_on = 1; 16791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->cursor_blanked) 16811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 16821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->mobile) { 16841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.physical) 16851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 16861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_A_CONTROL); 16871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~CURSOR_MODE_MASK; 16881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= CURSOR_MODE_64_4C_AX; 16891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_CONTROL, tmp); 16901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Flush changes */ 16911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical); 16921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 16931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_CONTROL); 16941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= CURSOR_ENABLE; 16951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_CONTROL, tmp); 16961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 16981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 17001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_cursor_setpos(struct intelfb_info *dinfo, int x, int y) 17011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 17021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 17031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 17051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_setpos: (%d, %d)\n", x, y); 17061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 17071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 17091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Sets the position. The coordinates are assumed to already 17101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * have any offset adjusted. Assume that the cursor is never 17111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * completely off-screen, and that x, y are always >= 0. 17121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 17131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT) | 17151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT); 17161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_POSITION, tmp); 17171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 17181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 17201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_cursor_setcolor(struct intelfb_info *dinfo, u32 bg, u32 fg) 17211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 17221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 17231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_setcolor\n"); 17241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 17251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_PALETTE0, bg & CURSOR_PALETTE_MASK); 17271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_PALETTE1, fg & CURSOR_PALETTE_MASK); 17281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_PALETTE2, fg & CURSOR_PALETTE_MASK); 17291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_PALETTE3, bg & CURSOR_PALETTE_MASK); 17301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 17311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 17331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_cursor_load(struct intelfb_info *dinfo, int width, int height, 17341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 *data) 17351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 17361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 __iomem *addr = (u8 __iomem *)dinfo->cursor.virtual; 17371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j, w = width / 8; 17381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int mod = width % 8, t_mask, d_mask; 17391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 17411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_load\n"); 17421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 17431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.virtual) 17451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 17461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t_mask = 0xff >> mod; 17481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds d_mask = ~(0xff >> mod); 17491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = height; i--; ) { 17501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < w; j++) { 17511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0x00, addr + j); 17521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(*(data++), addr + j+8); 17531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (mod) { 17551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(t_mask, addr + j); 17561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(*(data++) & d_mask, addr + j+8); 17571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds addr += 16; 17591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 17611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 17631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_cursor_reset(struct intelfb_info *dinfo) { 17641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 __iomem *addr = (u8 __iomem *)dinfo->cursor.virtual; 17651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j; 17661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 17681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_reset\n"); 17691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 17701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.virtual) 17721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 17731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 64; i--; ) { 17751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < 8; j++) { 17761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0xff, addr + j+0); 17771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0x00, addr + j+8); 17781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds addr += 16; 17801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1782